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- enum _sai_status_t
- {
- kStatus_SAI_TxBusy = MAKE_STATUS(kStatusGroup_SAI, 0),
- kStatus_SAI_RxBusy = MAKE_STATUS(kStatusGroup_SAI, 1),
- kStatus_SAI_TxError = MAKE_STATUS(kStatusGroup_SAI, 2),
- kStatus_SAI_RxError = MAKE_STATUS(kStatusGroup_SAI, 3),
- kStatus_SAI_QueueFull = MAKE_STATUS(kStatusGroup_SAI, 4),
- kStatus_SAI_TxIdle = MAKE_STATUS(kStatusGroup_SAI, 5),
- kStatus_SAI_RxIdle = MAKE_STATUS(kStatusGroup_SAI, 6)
- };
- typedef enum _sai_protocol
- {
- kSAI_BusLeftJustified = 0x0U,
- kSAI_BusRightJustified,
- kSAI_BusI2S,
- kSAI_BusPCMA,
- kSAI_BusPCMB
- } sai_protocol_t;
- typedef enum _sai_master_slave
- {
- kSAI_Master = 0x0U,
- kSAI_Slave = 0x1U
- } sai_master_slave_t;
- typedef enum _sai_mono_stereo
- {
- kSAI_Stereo = 0x0U,
- kSAI_MonoRight,
- kSAI_MonoLeft
- } sai_mono_stereo_t;
- typedef enum _sai_data_order
- {
- kSAI_DataLSB = 0x0U,
- kSAI_DataMSB
- } sai_data_order_t;
- typedef enum _sai_clock_polarity
- {
- kSAI_PolarityActiveHigh = 0x0U,
- kSAI_PolarityActiveLow
- } sai_clock_polarity_t;
- typedef enum _sai_sync_mode
- {
- kSAI_ModeAsync = 0x0U,
- kSAI_ModeSync,
- kSAI_ModeSyncWithOtherTx,
- kSAI_ModeSyncWithOtherRx
- } sai_sync_mode_t;
- typedef enum _sai_mclk_source
- {
- kSAI_MclkSourceSysclk = 0x0U,
- kSAI_MclkSourceSelect1,
- kSAI_MclkSourceSelect2,
- kSAI_MclkSourceSelect3
- } sai_mclk_source_t;
- typedef enum _sai_bclk_source
- {
- kSAI_BclkSourceBusclk = 0x0U,
- kSAI_BclkSourceMclkDiv,
- kSAI_BclkSourceOtherSai0,
- kSAI_BclkSourceOtherSai1
- } sai_bclk_source_t;
- enum _sai_interrupt_enable_t
- {
- kSAI_WordStartInterruptEnable =
- I2S_TCSR_WSIE_MASK,
- kSAI_SyncErrorInterruptEnable = I2S_TCSR_SEIE_MASK,
- kSAI_FIFOWarningInterruptEnable = I2S_TCSR_FWIE_MASK,
- kSAI_FIFOErrorInterruptEnable = I2S_TCSR_FEIE_MASK,
- kSAI_FIFORequestInterruptEnable = I2S_TCSR_FRIE_MASK,
- };
- enum _sai_dma_enable_t
- {
- kSAI_FIFOWarningDMAEnable = I2S_TCSR_FWDE_MASK,
- kSAI_FIFORequestDMAEnable = I2S_TCSR_FRDE_MASK,
- };
- enum _sai_flags
- {
- kSAI_WordStartFlag = I2S_TCSR_WSF_MASK,
- kSAI_SyncErrorFlag = I2S_TCSR_SEF_MASK,
- kSAI_FIFOErrorFlag = I2S_TCSR_FEF_MASK,
- kSAI_FIFORequestFlag = I2S_TCSR_FRF_MASK,
- kSAI_FIFOWarningFlag = I2S_TCSR_FWF_MASK,
- };
- typedef enum _sai_reset_type
- {
- kSAI_ResetTypeSoftware = I2S_TCSR_SR_MASK,
- kSAI_ResetTypeFIFO = I2S_TCSR_FR_MASK,
- kSAI_ResetAll = I2S_TCSR_SR_MASK | I2S_TCSR_FR_MASK
- } sai_reset_type_t;
- typedef enum _sai_fifo_packing
- {
- kSAI_FifoPackingDisabled = 0x0U,
- kSAI_FifoPacking8bit = 0x2U,
- kSAI_FifoPacking16bit = 0x3U
- } sai_fifo_packing_t;
- typedef struct _sai_config
- {
- sai_protocol_t protocol;
- sai_sync_mode_t syncMode;
- bool mclkOutputEnable;
- sai_mclk_source_t mclkSource;
- sai_bclk_source_t bclkSource;
- sai_master_slave_t masterSlave;
- } sai_config_t;
- typedef enum _sai_sample_rate
- {
- kSAI_SampleRate8KHz = 8000U,
- kSAI_SampleRate11025Hz = 11025U,
- kSAI_SampleRate12KHz = 12000U,
- kSAI_SampleRate16KHz = 16000U,
- kSAI_SampleRate22050Hz = 22050U,
- kSAI_SampleRate24KHz = 24000U,
- kSAI_SampleRate32KHz = 32000U,
- kSAI_SampleRate44100Hz = 44100U,
- kSAI_SampleRate48KHz = 48000U,
- kSAI_SampleRate96KHz = 96000U
- } sai_sample_rate_t;
- typedef enum _sai_word_width
- {
- kSAI_WordWidth8bits = 8U,
- kSAI_WordWidth16bits = 16U,
- kSAI_WordWidth24bits = 24U,
- kSAI_WordWidth32bits = 32U
- } sai_word_width_t;
- typedef struct _sai_transfer_format
- {
- uint32_t sampleRate_Hz;
- uint32_t bitWidth;
- sai_mono_stereo_t stereo;
- uint32_t masterClockHz;
- uint8_t watermark;
- uint8_t channel;
- sai_protocol_t protocol;
- bool isFrameSyncCompact;
- } sai_transfer_format_t;
- typedef struct _sai_transfer
- {
- uint8_t *data;
- size_t dataSize;
- } sai_transfer_t;
- typedef struct _sai_handle sai_handle_t;
- typedef void (*sai_transfer_callback_t)(I2S_Type *base, sai_handle_t *handle, status_t status, void *userData);
- struct _sai_handle
- {
- uint32_t state;
- sai_transfer_callback_t callback;
- void *userData;
- uint8_t bitWidth;
- uint8_t channel;
- sai_transfer_t saiQueue[SAI_XFER_QUEUE_SIZE];
- size_t transferSize[SAI_XFER_QUEUE_SIZE];
- volatile uint8_t queueUser;
- volatile uint8_t queueDriver;
- uint8_t watermark;
- };
- extern "C" {
- void SAI_TxInit(I2S_Type *base, const sai_config_t *config);
- void SAI_RxInit(I2S_Type *base, const sai_config_t *config);
- void SAI_TxGetDefaultConfig(sai_config_t *config);
- void SAI_RxGetDefaultConfig(sai_config_t *config);
- void SAI_Deinit(I2S_Type *base);
- void SAI_TxReset(I2S_Type *base);
- void SAI_RxReset(I2S_Type *base);
- void SAI_TxEnable(I2S_Type *base, bool enable);
- void SAI_RxEnable(I2S_Type *base, bool enable);
- static inline uint32_t SAI_TxGetStatusFlag(I2S_Type *base)
- {
- return base->TCSR;
- }
- static inline void SAI_TxClearStatusFlags(I2S_Type *base, uint32_t mask)
- {
- base->TCSR = ((base->TCSR & 0xFFE3FFFFU) | mask);
- }
- static inline uint32_t SAI_RxGetStatusFlag(I2S_Type *base)
- {
- return base->RCSR;
- }
- static inline void SAI_RxClearStatusFlags(I2S_Type *base, uint32_t mask)
- {
- base->RCSR = ((base->RCSR & 0xFFE3FFFFU) | mask);
- }
- void SAI_TxSoftwareReset(I2S_Type *base, sai_reset_type_t type);
- void SAI_RxSoftwareReset(I2S_Type *base, sai_reset_type_t type);
- void SAI_TxSetChannelFIFOMask(I2S_Type *base, uint8_t mask);
- void SAI_RxSetChannelFIFOMask(I2S_Type *base, uint8_t mask);
- void SAI_TxSetDataOrder(I2S_Type *base, sai_data_order_t order);
- void SAI_RxSetDataOrder(I2S_Type *base, sai_data_order_t order);
- void SAI_TxSetBitClockPolarity(I2S_Type *base, sai_clock_polarity_t polarity);
- void SAI_RxSetBitClockPolarity(I2S_Type *base, sai_clock_polarity_t polarity);
- void SAI_TxSetFrameSyncPolarity(I2S_Type *base, sai_clock_polarity_t polarity);
- void SAI_RxSetFrameSyncPolarity(I2S_Type *base, sai_clock_polarity_t polarity);
- void SAI_TxSetFIFOPacking(I2S_Type *base, sai_fifo_packing_t pack);
- void SAI_RxSetFIFOPacking(I2S_Type *base, sai_fifo_packing_t pack);
- static inline void SAI_TxSetFIFOErrorContinue(I2S_Type *base, bool isEnabled)
- {
- if (isEnabled)
- {
- base->TCR4 |= I2S_TCR4_FCONT_MASK;
- }
- else
- {
- base->TCR4 &= ~I2S_TCR4_FCONT_MASK;
- }
- }
- static inline void SAI_RxSetFIFOErrorContinue(I2S_Type *base, bool isEnabled)
- {
- if (isEnabled)
- {
- base->RCR4 |= I2S_RCR4_FCONT_MASK;
- }
- else
- {
- base->RCR4 &= ~I2S_RCR4_FCONT_MASK;
- }
- }
- static inline void SAI_TxEnableInterrupts(I2S_Type *base, uint32_t mask)
- {
- base->TCSR = ((base->TCSR & 0xFFE3FFFFU) | mask);
- }
- static inline void SAI_RxEnableInterrupts(I2S_Type *base, uint32_t mask)
- {
- base->RCSR = ((base->RCSR & 0xFFE3FFFFU) | mask);
- }
- static inline void SAI_TxDisableInterrupts(I2S_Type *base, uint32_t mask)
- {
- base->TCSR = ((base->TCSR & 0xFFE3FFFFU) & (~mask));
- }
- static inline void SAI_RxDisableInterrupts(I2S_Type *base, uint32_t mask)
- {
- base->RCSR = ((base->RCSR & 0xFFE3FFFFU) & (~mask));
- }
- static inline void SAI_TxEnableDMA(I2S_Type *base, uint32_t mask, bool enable)
- {
- if (enable)
- {
- base->TCSR = ((base->TCSR & 0xFFE3FFFFU) | mask);
- }
- else
- {
- base->TCSR = ((base->TCSR & 0xFFE3FFFFU) & (~mask));
- }
- }
- static inline void SAI_RxEnableDMA(I2S_Type *base, uint32_t mask, bool enable)
- {
- if (enable)
- {
- base->RCSR = ((base->RCSR & 0xFFE3FFFFU) | mask);
- }
- else
- {
- base->RCSR = ((base->RCSR & 0xFFE3FFFFU) & (~mask));
- }
- }
- static inline uint32_t SAI_TxGetDataRegisterAddress(I2S_Type *base, uint32_t channel)
- {
- return (uint32_t)(&(base->TDR)[channel]);
- }
- static inline uint32_t SAI_RxGetDataRegisterAddress(I2S_Type *base, uint32_t channel)
- {
- return (uint32_t)(&(base->RDR)[channel]);
- }
- void SAI_TxSetFormat(I2S_Type *base,
- sai_transfer_format_t *format,
- uint32_t mclkSourceClockHz,
- uint32_t bclkSourceClockHz);
- void SAI_RxSetFormat(I2S_Type *base,
- sai_transfer_format_t *format,
- uint32_t mclkSourceClockHz,
- uint32_t bclkSourceClockHz);
- void SAI_WriteBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size);
- static inline void SAI_WriteData(I2S_Type *base, uint32_t channel, uint32_t data)
- {
- base->TDR[channel] = data;
- }
- void SAI_ReadBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size);
- static inline uint32_t SAI_ReadData(I2S_Type *base, uint32_t channel)
- {
- return base->RDR[channel];
- }
- void SAI_TransferTxCreateHandle(I2S_Type *base, sai_handle_t *handle, sai_transfer_callback_t callback, void *userData);
- void SAI_TransferRxCreateHandle(I2S_Type *base, sai_handle_t *handle, sai_transfer_callback_t callback, void *userData);
- status_t SAI_TransferTxSetFormat(I2S_Type *base,
- sai_handle_t *handle,
- sai_transfer_format_t *format,
- uint32_t mclkSourceClockHz,
- uint32_t bclkSourceClockHz);
- status_t SAI_TransferRxSetFormat(I2S_Type *base,
- sai_handle_t *handle,
- sai_transfer_format_t *format,
- uint32_t mclkSourceClockHz,
- uint32_t bclkSourceClockHz);
- status_t SAI_TransferSendNonBlocking(I2S_Type *base, sai_handle_t *handle, sai_transfer_t *xfer);
- status_t SAI_TransferReceiveNonBlocking(I2S_Type *base, sai_handle_t *handle, sai_transfer_t *xfer);
- status_t SAI_TransferGetSendCount(I2S_Type *base, sai_handle_t *handle, size_t *count);
- status_t SAI_TransferGetReceiveCount(I2S_Type *base, sai_handle_t *handle, size_t *count);
- void SAI_TransferAbortSend(I2S_Type *base, sai_handle_t *handle);
- void SAI_TransferAbortReceive(I2S_Type *base, sai_handle_t *handle);
- void SAI_TransferTerminateSend(I2S_Type *base, sai_handle_t *handle);
- void SAI_TransferTerminateReceive(I2S_Type *base, sai_handle_t *handle);
- void SAI_TransferTxHandleIRQ(I2S_Type *base, sai_handle_t *handle);
- void SAI_TransferRxHandleIRQ(I2S_Type *base, sai_handle_t *handle);
- }
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